Exhaust fan



FIG. 1 is a front view of an exhaust fan that incorporates my new design, showing the door in an opened position;

FIG. 2 is a left side view thereof, showing the door in the opened position;

FIG. 3 is a right side view thereof, showing the door in the opened position;

FIG. 4 is a rear view thereof, showing the door in the opened position;

FIG. 5 is a top view thereof, showing the door in the opened position;

FIG. 6 is a bottom view thereof, showing the door in the opened position;

FIG. 7 is a front bottom perspective view thereof, showing the door in the opened position;

FIG. 8 is a rear top perspective view thereof, showing the door in the opened position;

FIG. 9 is a front view thereof, showing the door in the closed position;

FIG. 10 is a left side view thereof, showing the door in the closed position;

FIG. 11 is a right side view thereof, showing the door in the closed position;

FIG. 12 is a rear view thereof, showing the door in the closed position;

FIG. 13 is a top view thereof, showing the door in the closed position;

FIG. 14 is a bottom view thereof, showing the door in the closed position;

FIG. 15 is a front bottom perspective view thereof, showing the door in the closed position; and,

FIG. 16 is a rear top perspective view thereof, showing the door in the closed position. 

The ornamental design for an exhaust fan, as shown and described. 